In this subtitle, “action” means:
(1) the adoption of a local law or regulation concerning:
(i) a special exception under § 1–101(p) of this title (Definitions – “Special exception”); or
(ii) plan implementation and review under § 1–417 of this title or § 3–303 of this article;
(2) a requirement under § 9–505(a)(1) of the Environment Article and § 4–415(c) of the Local Government Article (Municipal annexation); or
(3) a required finding under §§ 9–506(a)(1) and 9–507(b)(2) of the Environment Article (Water and sewer plan review).